Crank means for bed operating mechanism



Oct. 27, 1931. M. c. N-IXON ET AL CRANK MEANS FOR BED OPERATINGMECHANISM Filed April 7. 1930 Patented" Oct. 27, 1 931 UNITED. STATES; PENT. OFFICE mosns NIXON,ANDALEXAINDER3F. K rrULLER; or CHICAGO, IL moIs,sun

- KAPTULLER' ssrenoa, T SAID NIXON a CRANK'MEANS FOR isnnornaarmeECHANISM The invention relates to operating, means for; the pivotedsections of beds andattachments .offthe type shown anddescribed in our;copending application Serial N 0. 367,328,

' filed MayBl, 1929,,of which this application is in part acontinuation; and more partlcularly the invention relates to the crankmeans of the operating means employed for raising and lowering'thepivoted bed sections.

" One of the objects of theinvention is to provide an improved crank forthe dl1V1l1gmember or shaft so arranged that the crank may be readilyswunginto either the operative or non=operative position. It is anjiother object of the invention to provide. im-

proved means for locking the crank in its inoperative position as wellas its operative position. Other objects: of the. invent on will appearfrom the following description 7 taken in connection with theaccompanying drawings, in which: I

Figurel is a plan view of a bed structure equipped with crank operatingmeans embodying the principles of the invention; Fig.

2 'isa side -elevational' view of the structure;

Fig'. 3 is an enlarged view of a crank which is preferably provided forthe operating mechanism of the bed; Fig. 4-is a sectional View taken online .44.of,F ig. 3; and Fig. 5 1s a side, view of a modified form; ofthe erank means I Like characters of reference indicate like parts intheseveral views, andreferring to oot the same, 7 and 8 denotes the headand respectively, and 9 the side rails of a bed, and supported therebyvis a self-contalned 1ndependent apparatus of which the. frame 10,preferably of anglebars, forms a supporting base frame. In the presentcase the sections, said means including a rotatable shaft or member 15for adjusting the, several pivotally attached sections, saidmeans in- 7frame 10 carries" an adjustable sectional Application meaa m 7,1930.-Seria1 No. 442,230.

eluding a rotatable shaft or member for adjusting the several pivotallyattached sections, all ofwhichhas been more fully described in ouraforesaid pending application, said shaft" being provided with a crankor handle, 16, I

As clearly shown in Figs. 3 and 4 the head orfattached end of the crankor handle is formed to provide spaeed arms or portions 17 adaptedtoeinbrace opposite sides of the shaft 15. The arms 17 are provided withregistering slots l8 whieh'reeeive the opposite ends of a transverse pin'19 earriedby the shaft. Means is. provided for effectively connectingor holding the crank-head against swinging movement when the crank is inits operative position and preferably also when thecrank is in itsinoperative position as shown by the dotted lines in Fig. 1. The lastmentioned means preferably comprises a pin 20. which projects laterallyfrom the shaft 15whieh isadaptedto enter an open slot 21 formed in theforward end of the crank arms 16 when the shaft is in its operative orfull line position and to enter the open slot 22 in the opposite end ofthe crank arm whengthe crank is in its non-o perative or dotted lineposition. i 3

' In the embodiment shown in Fig. 5 the 1 crank 16? is provided onlyvwith an open notch 21 in the forward end of the crank'arms .17 forreceivingthe' pin 20,, the crank being connected in its operativeposition to the shaft in the same manner as in the embodimentheretoforedescribed. In this modified construction, the crank may beswung into the dotted 'line position shown in Fig- 1 also, no provisionbeing made, however, for locking it in such non-operative position.

WVhile we have illustrated and described" certain preferred embodimentsof the invention we do not wish to be limited to the particularconstruction shownand described, except only so-far as the claims maybelimited by the prior art. 1 I

.Whatwe claim is: r

1. In operative means forapivoted section of a bed ,ofv the classdescribed, thecombina- -tion of a rotatable member,two elementsprojecting laterally from said-member, a crank ing'laterally from saidmember, a crarikprvotally and slidably mounted on one of said pins, andspaced elements carried; by the crank and adapted to straddle the otherof said pins upon sliding the crankon saidmern,

her for holding the crank in operative position,

3. In operative means fora ivotedsection of a bed of the class describethe combination of a rotatable member, a pivot pin and an elementextending laterally from the rotatable member, a crank having ahub'provided i adapted to co-engage with said pin pivotally and slidablysecuring the crank on said member, andmeans carried by the crank hubadapted to co-engage with said element upon sliding the crank on therotatable memberfor holding the crank in operative position.

I; In operative means for a pivoted section of'a bed of the classdescribed, the combinationof a rotatable member, two elements extendinglaterally from said member, a crank having a hub provided with slotsregistering with one of said elements for pivotally and slidablysecuring the crank to the rotatable member, and spaced elements carriedby one end of the crank hub and adapted to straddle the other of saidextending elements for holding the crank in operative position.

5. In operative means fora pivoted section of a bed of the classdescribed, the com bination of a rotatable member, twoele ments1projecting laterally from said member, a cran pivotally and slidablysecured on said member by one of said elements, means carried onopposite ends otthe crank head, one ofwhich being adapted to co-engagewith the other'o'l' saidelementsupon sliding the crank on said memberfor holding the crank in operative position, and the other setot whichbeing adapted also to co-engage with said element upon reversalofposition of the crank and sliding it onsaid member for holding thecrank in non-operative position.

6. III-OPBIHtlVQ means for apivoted section of a bed of the classdescribed, the combinationof a rotatable member, two pins projectinglaterally from said member, a crank pivotally and slidably secured onsaid member by one of said pins, and a set of spaced elements onoppositeends of the crank head, oneset of-which is adapted to straddlethe other of said pins uponsliding the crank on the rotatable member forholdingnthe crank in operative position, and the other set of which isadapted also to straddle said pin upon reversal of position of the crankand sliding it on said member for holding it in non-operative position.

7 Inoperative means for a'pivoted section of a'bed of the classdescribed, thecombinationof a rotatable member, a pivot pin andanelement extendinglaterally from the rotatable member, a crank providedwith a slot adaptedto co-actwith said pin for pivotally and slidablysecuringthecrank on said member, and means carried on opposite ends ofthecrankhead one of which is adapted to co-engage with said element uponsliding the crank onsa-id member for holding the crank in operativeposition, and the otherof which is adaptedalso to co-engage withsaidelement upon reversal of position of the crank and sliding it, onsaid member for holding the crank in non-operative position.

8.- In operative meansfor a pivoted section ofa bedof-the classdescribed, the combination of a rotatable member, elements extendinglaterally from said member, acrank having a hub provided with slotsregistering with one of said elementsfor pivotallyandslidw blysecuringthe crank on the rotatable member, anda setof spaced elementscarriedbythe opposite endsioftheicrankhub, one set of 1 which being adapted tostraddle the other of said elements upon sliding thecrank on said memberfor holding the crank in operative position, andthe other set beingadapted also to straddle said element upon reversal oi -position of thecrank and sliding it on said member-forholding the crank innon-operative position,

. 91 In operative means for a. pivoted section of a :bed of the: classdescribed, the: com.- bin-ation of -a rotatablemembcr, .a crank haveinga hub provided with aislotiand mounted onsaidmember, an elementcarried by the rotatable member andextending into said slot forpivotally and slidably securing :the crank on the rotatable member, amember extending laterally from the rotatable member, and means carriedby the crank hub adapted to co-engage with said extending member forholding the crankin operative position.

10. In operative means for a pivoted section of a bed ot'the classdescribed, the combination ofa rotatable member, a crank-havmg a hubprovided with a slotand mounted on saidmember, an element carried by thefor holding the, crank, in operative. position,

operative and the other of which is" adapted also to coengage with saidextending member upon reversal of position of the crank'and sliding iton said member for holding the crank in non-- osition.

MO ES 0. NIXON. v ALEXANDER 'F. KAPTULLERB

